RD -20°C

Rain/Frost sensor device for buildings.

• Rain, snow and frost detector
• For protecting outdoor shades
• Measuring procedure: capacitance comparison measurement
• Rain detection at external temperatures above +1°C
• Snow detection at external temperatures between +1°C and -20°C
• Frost detection at external temperatures below -20°C
• Adjustable sensitivity
• Heated sensor surface for trouble-free operation during winter